4y3x的知识精选

若非零实数x,y满足4y=3x,则x:y等于(  )   A.3:4                B.4:3...
问题详情:若非零实数x,y满足4y=3x,则x:y等于()  A.3:4                B.4:3                       C.2:3                      D.3:2【回答】B    解:∵4y=3...
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